I was thinking this too - my guess is the cars simply wouldn't offer rides on days with really poor conditions.

Toronto's winter driving is normally very reasonable compared to Montreal. My guess is the Waymos operate some ~355 days a year, taking days off after big storms.

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verelo 2 hours ago | parent [-]

This could still be a problem. Human drivers are still available on these days today, and if services like Waymo take over and theres less Uber (et al) drivers, then we'll have no support on the worst days.

	▲	fidotron 2 hours ago \| parent [-]
		Compounded by the fact in winter basically everyone will be going to the airports at least twice to escape, which drives demand. Basically if the planes are flying the robotaxis will need to work.